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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9486777 B1

PDFFull Text
Date of Patent:
Nov. 08, 2016

Filed:

Aug. 27, 2013

Process for producing water-absorbing polymer particles

Applicant:

Basf SE, Ludwigshafen, DE;

Inventors:

Monte Peterson, Pearland, TX (US);

John Perry Guentzel, Beach City, TX (US);

Gregory Boykin, Saraland, AL (US);

Leo Van Miert, Kapellen, BE;

Rene Callot, Ekeren, BE;

Oskar Stephan, Hockenheim, DE;

Rüdiger Funk, Niedernhausen, DE;

Matthias Weismantel, Jossgrund-Oberndorf, DE;

Assignee:

BASF SE, Ludwigshafen, DE;

Attorney:

Marshall, Gerstein & Borun LLP

Primary Examiner:

Karuna P Reddy

Int. Cl.
CPC ...
B01J 20/26 (2006.01); A61L 15/24 (2006.01); A61L 15/60 (2006.01); C08F 2/10 (2006.01); C08F 6/00 (2006.01); C08J 3/24 (2006.01);
U.S. Cl.
CPC ...
B01J 20/261 (2013.01); A61L 15/60 (2013.01); C08F 2/10 (2013.01); C08F 6/008 (2013.01); C08J 3/245 (2013.01); B01J 2220/68 (2013.01); C08J 2333/02 (2013.01);
Abstract

The invention relates to a process for producing water-absorbing polymer particles, comprising polymerization, drying the resulting polymer gel on a through circulation belt dryer, crushing the dried polymer gel, pre-grinding, separating of incompletely dried particles with a perforated plate, grinding and classifying the resulting polymer particles.

Find Patent Forward Citations

Peterson, Monte. (2016). Process for producing water-absorbing polymer particles (U.S. Patent No. 9486777). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9486777

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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